package day03;
/** if...else if结构的演示*/
public class IfElseDemo {
    public static void main(String[] args) {
       /* //1)满500打8折，不满500打9折：
        double price = 600.0;  //带数(600.0,300)
        if(price>=500){
            price*=0.8;
        }else{
            price*=0.9;
        }
        System.out.println("最终结算金额为:"+price);

        double score = 555;
        if(score>=0 && score<=100){
            System.out.println(score+"是合法成绩");
        }else{
            System.out.println(score+"是不合法成绩");
        }*/
        double price = 400.0;
        if(price>=2000){
            price*=0.5;
        }else if(price>=1000){
            price*=0.7;
        }else if(price>=500){
            price*=0.8;
        }else{
            price*=0.9;
        }
        System.out.println("最终结算金额:"+price);








    }
}
